Software Engineer

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Description

The role - We are hiring a Software Engineer, Web3 for Xsolla ZK , Xsolla 's Web3 ecosystem on a zkSync-based L2. It includes: smart wallets built on account abstraction; - SDKs that game studios and partners use to bring players on-chain; - infrastructure backend services for tokenizing in-game items and currencies; - ecosystem dApps: a DEX , an NFT marketplace and an auction. - This is a senior fullstack role: you work across backend, frontend and smart contracts. WHAT YOU WILL OWN Features end to end: backend, frontend and production - The on-chain / off-chain architecture of your product: what lives in contracts, what lives in services, and how the two stay consistent. You make these decisions and justify them in writing - Security and correctness of what you ship: signing flows, interactions with contracts that hold user assets, keys and secrets - Production operation of your services, as part of the team's on-call rotation - WHAT YOU WILL DO Build backend services in Go and TypeScript: chain indexing, transaction relaying, event processing, APIs for dApps and SDKs - Build infrastructure backend services for tokenizing in-game items and currencies - Build dApp frontends in React: wallet connection, transaction signing, on-chain state in the UI - Integrate smart wallets into products: accounts, paymasters, bundlers - Develop SDKs used by game studios and partners - Monitor services and contracts in production and take part in on-call - Review code - Set up and maintain AI

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